Alert archive / South Carolina / Tornado Warnings in 2019

Tornado Warning 7, NWS Charleston, SC

April 19, 2019Colleton County, South Carolina

NWS Charleston, SC issued this tornado warning at Apr 19, 2019, 1:37 PM EDT for Colleton County, South Carolina. It was in force for 18 min. 10 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 19, 2019, 1:37 PM EDT (17:37 UTC)
Expired: Apr 19, 2019, 1:55 PM EDT
In force: 18 min
Issued by: NWS Charleston, SC
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Colleton County, SC

The radar

The Charleston,SC radar (KCLX), 41 km from the middle of the area, began a volume at 17:40 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Apr 19, 1:39 PM EDT	TSTM WND DMG	6 W Walterboro, SC	POWER LINES DOWN ON AZALEA PATCH RD.
Apr 19, 1:40 PM EDT	TSTM WND DMG	2 Nw Walterboro, SC	A TREE WAS REPORTED TO HAVE FALLEN ONTO A HOUSE BY THE COLLETON COUNTY FIRE-RESCUE.
Apr 19, 1:40 PM EDT	TSTM WND DMG	2 Sw Walterboro, SC	BARN COLLAPSED, ROOF DAMAGED, AND LARGE TREE DOWN ON ROAD IN VICINITY OF HENDERSONVILLE HWY.
Apr 19, 1:40 PM EDT	TSTM WND DMG	3 Sw Walterboro, SC	A SMALL CINDERBLOCK BUILDING WAS DEMOLISHED ON SNIDERS HWY.
Apr 19, 1:40 PM EDT	TSTM WND DMG	3 Sw Walterboro, SC	BROADCAST MEDIA REPORTED DAMAGE TO A HOTEL ROOF ON SNIDERS HWY JUST EAST OF I-95.
Apr 19, 1:40 PM EDT	TSTM WND DMG	Walterboro, SC	TREES AND POWER LINES REPORTED DOWN IN 12 DIFFERENT PLACES AROUND WALTERBORO.
Apr 19, 1:44 PM EDT	TSTM WND DMG	4 N Walterboro, SC	SEVERAL LARGE TREES BLOWN DOWN. ALSO BRIEF PERIOD OF PEA TO DIME SIZE HAIL.
Apr 19, 1:45 PM EDT	TSTM WND DMG	2 Nnw Walterboro, SC	A POWER LINE WAS REPORTED DOWN BY A MEMBER OF THE PUBLIC.
Apr 19, 1:50 PM EDT	TSTM WND DMG	5 Ese Canadys, SC	TREE DOWN ON SIDNEYS RD.
Apr 19, 1:53 PM EDT	TSTM WND DMG	Nnw Canadys, SC	TWO TREES DOWN ON AUGUSTA HWY NEAR CANADYS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 19, 10:44 AM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 5.6 hours before the alert went out and 68 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 22 J/kg
Mixed-layer CIN: -362 J/kg
Mixed-layer LCL: 1073 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 190 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

817 
WFUS52 KCHS 191737
TORCHS
SCC029-191815-
/O.NEW.KCHS.TO.W.0007.190419T1737Z-190419T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
137 PM EDT Fri Apr 19 2019

The National Weather Service in Charleston has issued a

* Tornado Warning for portions of...
  Colleton County in southeastern South Carolina...

* Until 215 PM EDT.

* At 137 PM EDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located near
  Walterboro, moving northeast at 45 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Walterboro and Canadys. 

This warning includes I-95 in South Carolina between mile markers 48
and 68.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3277 8075 3286 8087 3311 8073 3302 8053
TIME...MOT...LOC 1737Z 211DEG 40KT 3285 8076 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

NED

4 follow-up statements

754 
WWUS52 KCHS 191742
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
142 PM EDT Fri Apr 19 2019

SCC029-191815-
/O.CON.KCHS.TO.W.0007.000000T0000Z-190419T1815Z/
Colleton SC-
142 PM EDT Fri Apr 19 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR COLLETON
COUNTY...

At 142 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Walterboro, moving northeast at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Walterboro and Canadys. 

This warning includes I-95 in South Carolina between mile markers 51
and 68.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3281 8071 3290 8085 3311 8073 3302 8053
TIME...MOT...LOC 1742Z 211DEG 40KT 3290 8072 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

972 
WWUS52 KCHS 191748
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
148 PM EDT Fri Apr 19 2019

SCC029-191815-
/O.CON.KCHS.TO.W.0007.000000T0000Z-190419T1815Z/
Colleton SC-
148 PM EDT Fri Apr 19 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR COLLETON
COUNTY...

At 148 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Walterboro, moving northeast at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Walterboro and Canadys. 

This warning includes I-95 in South Carolina between mile markers 59
and 68.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3290 8063 3299 8080 3311 8073 3302 8053
TIME...MOT...LOC 1748Z 210DEG 41KT 3297 8067 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

834 
WWUS52 KCHS 191750
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
150 PM EDT Fri Apr 19 2019

SCC029-191815-
/O.CON.KCHS.TO.W.0007.000000T0000Z-190419T1815Z/
Colleton SC-
150 PM EDT Fri Apr 19 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR COLLETON
COUNTY...

At 150 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Walterboro, moving northeast at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Canadys.

This warning includes I-95 in South Carolina between mile markers 62
and 68.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3293 8060 3303 8077 3311 8073 3302 8053
TIME...MOT...LOC 1750Z 211DEG 40KT 3299 8065 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

479 
WWUS52 KCHS 191755
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
155 PM EDT Fri Apr 19 2019

SCC029-191805-
/O.CAN.KCHS.TO.W.0007.000000T0000Z-190419T1815Z/
Colleton SC-
155 PM EDT Fri Apr 19 2019

...THE TORNADO WARNING FOR COLLETON COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Charleston.

Remember, a Severe Thunderstorm Warning still remains in effect for 
portions of Colleton County.

LAT...LON 3293 8060 3303 8077 3311 8073 3302 8053
TIME...MOT...LOC 1753Z 211DEG 40KT 3304 8061 

$$

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 19, 3:03 AM EDT	Special Marine Warning	CHS		57 min
Apr 19, 3:16 AM EDT	Rip Current Statement	CHS		17 hr
Apr 19, 3:16 AM EDT	High Surf Advisory	CHS		20 hr
Apr 19, 7:30 AM EDT	Coastal Flood Advisory	CHS		3 hr
Apr 19, 12:49 PM EDT	Severe Thunderstorm Warning	CHS	Allendale, Beaufort, Colleton, Hampton, Jasper	56 min
Apr 19, 12:49 PM EDT	Tornado Warning	CHS	Hampton	15 min
Apr 19, 12:52 PM EDT	Tornado Warning	CHS	Jasper	23 min
Apr 19, 1:27 PM EDT	Tornado Warning	CHS	Beaufort, Colleton	19 min
Apr 19, 1:40 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Colleton, Dorchester	65 min
Apr 19, 1:43 PM EDT	Severe Thunderstorm Warning	CHS	Beaufort, Colleton, Jasper	39 min
Apr 19, 1:56 PM EDT	Special Marine Warning	CHS		2 hr
Apr 19, 2:27 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley	63 min
Apr 19, 2:36 PM EDT	Tornado Warning	CHS	Berkeley	9 min
Apr 19, 2:39 PM EDT	Severe Thunderstorm Warning	CHS	Berkeley, Charleston, Dorchester	66 min
Apr 19, 3:17 PM EDT	Tornado Warning	CHS	Berkeley	28 min
Apr 19, 3:56 PM EDT	Small Craft Advisory	CHS		32 hr

Nearby

Tornado Warnings in South Carolina, 2019 Every tornado warning in 2019 Tornadoes in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.